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4UCH

Structure of human nNOS R354A G357D mutant heme domain in complex with 3-(((2-((2-(1H-IMIDAZOL-1-YL)PYRIMIDIN-4-YL)ETHYL)AMINO)METHYL) BENZONITRILE

Functional Information from GO Data
ChainGOidnamespacecontents
A0004517molecular_functionnitric-oxide synthase activity
A0006809biological_processnitric oxide biosynthetic process
B0004517molecular_functionnitric-oxide synthase activity
B0006809biological_processnitric oxide biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM A 750
ChainResidue
ATRP414
ATRP683
APHE709
ATYR711
AH4B760
AOLW800
AHOH2142
AHOH2154
AHOH2202
AHOH2203
AARG419
ACYS420
AVAL421
AGLY422
APHE589
ASER590
ATRP592
AGLU597

site_idAC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE H4B A 760
ChainResidue
ASER339
AMET341
AARG601
AVAL682
ATRP683
AHEM750
AHOH2014
AHOH2154
AHOH2155
AHOH2190
AHOH2204
BTRP681
BPHE696
BHIS697
BGLN698
BGLU699

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE OLW A 800
ChainResidue
AMET341
AHIS342
AGLN483
APRO570
AVAL572
ATYR711
AHEM750

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 900
ChainResidue
ACYS331
ACYS336
BCYS331
BCYS336

site_idAC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEM B 750
ChainResidue
BTRP414
BCYS420
BSER462
BPHE589
BSER590
BTRP592
BGLU597
BTRP683
BPHE709
BTYR711
BH4B760
BOLW800
BHOH2108
BHOH2139
BHOH2140
BHOH2141

site_idAC6
Number of Residues15
DetailsBINDING SITE FOR RESIDUE H4B B 760
ChainResidue
ATRP681
APHE696
AHIS697
AGLN698
AGLU699
BSER339
BMET341
BARG601
BVAL682
BTRP683
BHEM750
BHOH2027
BHOH2120
BHOH2134
BHOH2140

site_idAC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE OLW B 800
ChainResidue
BMET341
BHIS342
BGLN483
BPRO570
BVAL572
BTRP683
BTYR711
BHEM750

Functional Information from PROSITE/UniProt
site_idPS60001
Number of Residues8
DetailsNOS Nitric oxide synthase (NOS) signature. RCVGRIqW
ChainResidueDetails
AARG419-TRP426

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25286850","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4D1N","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"25286850","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4D1N","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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